Sodium hydroxide solution

Physical hazards

Corrosive to metals Category 1

Health hazards

Skin corrosion/irritation Category 1A Serious eye damage/eye irritation Category 1 Specific target organ toxicity following single Category 3 respiratory tract irritation exposure

Environmental hazards

Hazardous to the aquatic environment, acute Category 3

Signal word

Danger

Hazard statements

May be corrosive to metals. Causes severe skin burns and eye damage. May cause respiratory irritation. Harmful to aquatic life.

Prevention

Keep only in original packaging. Do not breathe mist/vapours. Wash thoroughly after handling. Use only outdoors or in a well-ventilated area. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection.

Response

IF SWALLOWED Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair) Take off immediately all contaminated clothing. Rinse skin with water. IF INHALED: Remove person to fresh air and keep comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTRE/doctor. Wash contaminated clothing before reuse. Absorb spillage to prevent material-damage.

Storage

Store locked up. Store in a corrosion resistant container with a resistant inner liner.

Disposal

Dispose of contents/container in accordance with local/regional/national/international regulations.

2.3 Other hazards

None known.

Additional information

None.